Low pressure tanked hot water

[Matt0029]

Is there anything that can cause low pressure on a tank supplied hot water system. Bar just the low head height of the system?

 

[Matt0029]

Is there anything that can cause low pressure on a tank supplied hot water system. Bar just the low head height of the system?

Unless all the hot supply is pumped out of the tank and the pump has broken? Had it once where they used a shower pump on all hot supplies in a bungalow